Step-by-step explanation:
A parabola is the set of points equidistant from a line, called the directrix, and a fixed point, called the focus. ... A parabola is a set of points that are equidistant from a given line, which we call the directrix, and a given fixed point not on the line, called the focus.
I got 4/27
I did 8/9 divided by 6/1
18 ft bexause the shadow would be 4 feet taller than the actual person
Answer:
Statistical inference refers to using a sample of measurements and making generalizations about the important aspects of a population.
Step-by-step explanation:
Statistical inference:
- Statistical inference is use of statistics to draw conclusions about some unknown parameters of a population based on a random sample from that population.
- With the help of sample statistic of a sample drawn randomly from the population, we approximate some properties of population.
- This is known as statistical inferences.
- It is an important method to analyze properties of a population based on the sample.
Answer:
sum of interior angles is 1980°
Step-by-step explanation:
(n-2)×180° = (13-2)×180°
= 11×180°
= 1980°
